Cisco Headend System Release 2.5 Guida All'Installazione
G-2
Backup Tape Considerations
78-738190-01 Rev B
Tape Considerations
Identify Tapesize and Blocksize
If you use a custom tape drive configuration on your DNCS, the script used to back
up the Informix database requires that you specify the tapesize and the blocksize of
your tape. Identify this information by referencing the following chart.
Tape Drive
Tape Length
(in meters)
Capacity
(normal/compressed)
(in Gbytes)
Tapesize
(in Kbytes)
Blocksize
(in Kbytes)
8 mm
54
2/4
3774874
16
8 mm
112
5/10
9437184
32
8 mm
160
7/14
13212058
128
4 mm
90
2/4
3774874
16
4 mm
120
4/8
7549747
32
4 mm
125
12/24
22649242
128
4-mm
150
20/40
36864000
128